Coastal Waters Forecast
Issued by NWS Lake Charles, LA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
153
FZUS54 KLCH 140100
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
800 PM CDT Mon May 13 2024

Coastal waters from the Lower Atchafalaya River LA to High
Island TX out 60 nautical miles including Sabine and
Calcasieu Lakes and Vermilion and Cote Blanche Bays

Seas are provided as a range of the average height of the
highest one third of the waves, along with the occasional
height of the average highest ten percent of the waves.

GMZ400-141315-
800 PM CDT Mon May 13 2024

.SYNOPSIS...
Strong thunderstorms expected to exit the coastal waters this
evening. Winds will shift to the west northwest behind the exiting
thunderstorm complex with the passage of a weak cold front. Winds
will gradually veer back southeast by Wednesday night, with shower
and thunderstorm chances returning by Thursday as another low
pressure system approaches the area.

$$

GMZ430-141315-
Sabine Lake-
800 PM CDT Mon May 13 2024

.REST OF TONIGHT...Northwest winds 10 to 15 knots, becoming
northeast 5 to 10 knots late this evening, then becoming west.
Lake waters choppy. Showers and thunderstorms likely early this
evening, then a chance of showers and thunderstorms late this
evening. A slight chance of showers and thunderstorms. Patchy fog
late.
.TUESDAY...West winds 5 to 10 knots. Lake waters light chop.
Patchy fog in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming north after
midnight. Lake waters light chop.
.WEDNESDAY...Northeast winds around 5 knots, becoming southeast
in the afternoon. Lake waters light chop.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop.
.THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy. A
chance of showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough. Showers and thunderstorms likely, mainly in the evening.
.FRIDAY...South winds 10 to 15 knots. Lake waters choppy. A
chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Lake waters light chop. A slight chance of
showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-141315-
Calcasieu Lake-
800 PM CDT Mon May 13 2024

.REST OF TONIGHT...West winds 10 to 15 knots, becoming east 5 to
10 knots late this evening, then becoming southwest, becoming
west late. Lake waters choppy. Showers and thunderstorms likely,
mainly this evening. Patchy fog late.
.TUESDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Lake waters choppy.
Patchy fog in the morning.
.TUESDAY NIGHT...West winds 10 to 15 knots, becoming northwest
around 5 knots after midnight. Lake waters choppy.
.WEDNESDAY...Northeast winds around 5 knots, becoming southeast
in the afternoon. Lake waters light chop.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. Lake waters choppy.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Lake waters rough. A chance of
thunderstorms. A chance of showers.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Lake waters choppy. A
chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Lake waters light chop. A slight chance of
showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-141315-
Vermilion and West Cote Blanche Bays-
800 PM CDT Mon May 13 2024

...SEVERE THUNDERSTORM WATCH 239 IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

.REST OF TONIGHT...Southeast winds around 5 knots, becoming
northeast late this evening, then becoming southeast, becoming
south late. Bay waters light chop. A chance of showers and
thunderstorms early this evening, then showers with thunderstorms
likely late this evening and early morning. A chance of showers
and thunderstorms late.
.TUESDAY...West winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming northwest
after midnight. Bay waters light chop.
.WEDNESDAY...North winds around 5 knots, becoming southeast
around 5 knots in the afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters choppy. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy. A chance of thunderstorms. A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-141315-
Atchafalaya and East Cote Blanche Bays-
800 PM CDT Mon May 13 2024

...SEVERE THUNDERSTORM WATCH 239 IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

.REST OF TONIGHT...East winds 5 to 10 knots, becoming south late.
Bay waters light chop. A chance of showers and thunderstorms
early this evening, then showers and thunderstorms late this
evening and early morning. Showers and thunderstorms likely late.
.TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots, diminishing to around
5 knots after midnight. Bay waters light chop.
.WEDNESDAY...North winds around 5 knots, becoming west around
5 knots in the afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...South winds around 5 knots. Bay waters smooth.
.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters choppy. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-141315-
Coastal waters from Cameron LA to High Island TX out 20 NM-
800 PM CDT Mon May 13 2024

.REST OF TONIGHT...Northeast winds 10 to 15 knots, becoming
southwest, then becoming northwest 5 to 10 knots late. Seas
around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and
south 1 foot at 3 seconds. Showers and thunderstorms likely this
evening, then a chance of thunderstorms with a slight chance of
showers.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at
7 seconds. Patchy fog in the morning.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming
northwest after midnight. Seas around 2 feet. Wave Detail:
Southwest 2 feet at 3 seconds and southeast 2 feet at 7 seconds.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet
at 5 seconds and west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 3 seconds.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-141315-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
800 PM CDT Mon May 13 2024

.REST OF TONIGHT...East winds 10 to 15 knots, becoming north late
this evening, then becoming southeast, becoming south late. Seas
2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and south
2 feet at 3 seconds. A chance of showers and thunderstorms early
this evening, then showers and thunderstorms likely late this
evening. A chance of showers and thunderstorms.
.TUESDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 3 seconds and south 2 feet at
7 seconds. Patchy fog in the morning.
.TUESDAY NIGHT...West winds 10 to 15 knots, becoming northwest
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: West
2 feet at 4 seconds and south 2 feet at 7 seconds.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
7 seconds and west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 7 seconds and southeast 1 foot at 3 seconds.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet. A chance of showers
and thunderstorms.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-141315-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
800 PM CDT Mon May 13 2024

...SEVERE THUNDERSTORM WATCH 239 IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

.REST OF TONIGHT...East winds 5 to 10 knots, becoming southeast
10 to 15 knots with gusts up to 20 knots, then becoming south
late. Seas 1 to 2 feet. Wave Detail: South 2 feet at 6 seconds
and southeast 1 foot at 3 seconds. Showers with thunderstorms
likely.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds and southwest 1 foot at
3 seconds. A chance of thunderstorms with a slight chance of
showers in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: West 1 foot at 3 seconds and south 1 foot at 7 seconds.
.WEDNESDAY...North winds around 5 knots, becoming east in the
afternoon. Seas 1 to 2 feet. Wave Detail: Northwest 1 foot at
3 seconds and south 1 foot at 8 seconds.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less, then 1 to 2 feet after midnight. Wave Detail: Southeast
1 foot at 2 seconds and south 1 foot at 7 seconds, becoming
southeast 1 foot at 3 seconds and south 1 foot at 7 seconds.
.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 1 to 2 feet. A chance of showers.
A slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-141315-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
800 PM CDT Mon May 13 2024

.REST OF TONIGHT...Northeast winds 10 to 15 knots with gusts up
to 20 knots, becoming southeast, then becoming southwest late.
Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
Showers and thunderstorms likely, mainly this evening.
.TUESDAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and southwest 1 foot at
2 seconds. Patchy fog in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and west 1 foot at
3 seconds.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds and northwest 1 foot at
2 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. A chance of showers
and thunderstorms.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas around
4 feet. A chance of showers and thunderstorms.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 3 to 4 feet. A slight chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-141315-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
800 PM CDT Mon May 13 2024

.REST OF TONIGHT...East winds around 10 knots, becoming north
with gusts up to 20 knots late this evening, then becoming
southeast with gusts up to 20 knots, becoming south late. Seas
3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. Showers
this evening. Thunderstorms likely. Showers likely.
.TUESDAY...West winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and southwest 1 foot at
3 seconds. A slight chance of showers and thunderstorms in the
morning. Patchy fog in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds and west 1 foot at
3 seconds.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at
8 seconds and northwest 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas around
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-141315-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
800 PM CDT Mon May 13 2024

.REST OF TONIGHT...Southeast winds 5 to 10 knots, becoming east
10 to 15 knots with gusts up to 25 knots late this evening and
early morning, then becoming south with gusts up to 20 knots
late. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
6 seconds. Showers with thunderstorms likely. Patchy fog late
this evening and early morning.
.TUESDAY...Southwest winds 10 to 15 knots with gusts up to
20 knots, becoming west 5 to 10 knots in the afternoon. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of
showers and thunderstorms in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds and west 1 foot at
3 seconds.
.WEDNESDAY...North winds around 5 knots, becoming east in the
afternoon. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at
8 seconds and northwest 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$